add a utility function to profile the memory and time usage
add a utility function to profile the memory and time usage

mhvk/astropy,larrybradley/astropy,AustereCuriosity/astropy,bsipocz/astropy,stargaser/astropy,stargaser/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,bsipocz/astropy,MSeifert04/astropy,lpsinger/astropy,MSeifert04/astropy,lpsinger/astropy,mhvk/astropy,StuartLittlefair/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,DougBurke/astropy,dhomeier/astropy,dhomeier/astropy,tbabej/astropy,tbabej/astropy,astropy/astropy,funbaker/astropy,pllim/astropy,bsipocz/astropy,lpsinger/astropy,bsipocz/astropy,mhvk/astropy,saimn/astropy,StuartLittlefair/astropy,pllim/astropy,mhvk/astropy,dhomeier/astropy,AustereCuriosity/astropy,MSeifert04/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,saimn/astropy,joergdietrich/astropy,DougBurke/astropy,tbabej/astropy,joergdietrich/astropy,pllim/astropy,DougBurke/astropy,MSeifert04/astropy,StuartLittlefair/astropy,saimn/astropy,DougBurke/astropy,stargaser/astropy,astropy/astropy,joergdietrich/astropy,pllim/astropy,lpsinger/astropy,funbaker/astropy,tbabej/astropy,mhvk/astropy,StuartLittlefair/astropy,joergdietrich/astropy,astropy/astropy,stargaser/astropy,kelle/astropy,saimn/astropy,astropy/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,kelle/astropy,dhomeier/astropy,joergdietrich/astropy,AustereCuriosity/astropy,dhomeier/astropy,larrybradley/astropy,kelle/astropy,kelle/astropy,pllim/astropy,saimn/astropy,astropy/astropy,kelle/astropy,larrybradley/astropy,tbabej/astropy,funbaker/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,funbaker/astropy